Home / 1,429,686.65-2,144,945.03-576,317.90

Finding the Fourth Proportional to 1,429,686.65, 2,144,945.03 and 576,317.90

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Solution

The fourth proportional to 1,429,686.65, 2,144,945.03 and 576,317.90 is: 864,644.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,429,686.65 : 2,144,945.03 = 576,317.90 : x
  2. Step 2: Convert to fraction form
    1,429,686.65/2,144,945.03 = 576,317.90/x
  3. Step 3: Cross multiply
    1,429,686.65x = 2,144,945.03 × 576,317.90
  4. Step 4: Simplify right side
    1,429,686.65x = 1,236,170,215,305.04
  5. Step 5: Solve for x
    x = 1,236,170,215,305.04/1,429,686.65
  6. Step 6: Final answer
    x = 864,644.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.